package dmsxl.shuzu;

/**
 * Author: Zhang Dongwei
 * Date: 2023/4/6 11:44
 */
public class array1_704 {

    public static void main(String[] args) {
        int[] nums = {-1, 0, 3, 5, 9, 12};
        int target = 9;
        System.out.println(search(nums, target));
    }

    public static int search(int[] nums, int target) {
        int left = 0, right = nums.length - 1;
        while (left <= right){
            int mid = (left + right) / 2;
            if (nums[mid] > target){
                right = right - 1;
            }
            else if (nums[mid] < target){
                left = left + 1;
            }
            else if (nums[mid] == target){
                return mid;
            }
        }
        return -1;
    }
}
